<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Float</title>
    <style>
        .box1{
            width: 200px;
            height: 200px;
            background-color: rebeccapurple;
            color: white;
            float:left;
            text-align: center;
            line-height: 200px;
        }
        .box2{
            width: 100%;
            height: 200px;
            background-color: green;
            color: white;
            text-align: center;
            line-height: 200px;
        }
        .box3{
            width: 100%;
            height: 200px;
            background-color: blue;
            color: white;
            text-align: center;
            line-height: 200px;
        }
        .gray{
            width: 200px;
            height: 200px;
            background-color: gray;
            color: white;
            text-align: center;
            line-height: 200px;
        }
    </style>
</head>
<body>

<div class="box1 ">1</div>
<div class="box2">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Alias, corporis dolore, ea fugiat libero, minus nisi nobis omnis provident quidem quo similique soluta ut veniam voluptate. Deleniti doloremque quae ut?</div>
<div class="box3">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Amet animi aperiam commodi, consequuntur doloremque, ducimus eius ex expedita fugiat itaque labore odio quae quaerat quas recusandae repudiandae sequi sit ut.</div>
<div class="gray">
    Hi Girl
</div>
</body>
</html>